The Hand Solo, from Rocks-Off, is a unique, open sleeve masturbator. Made from Rocks-Off's own body safe platinum silicone, the Hand Solo incorporates the award winning RO-80mm bullet to provide long lasting and intense fun. The inner sleeve contours provide thrilling sensations whilst the open edge of the Hand Solo means it is partner friendly fun all the way. The bullet can be removed for two toys in one. Hand Solo is 100% waterproof and easy to clean. With the 1.5V N battery included, just lube up and go.